virtio-gpu uses cached mappings, set drm_gem_shmem_object.map_cached accordingly. Cc: stable@vger.kernel.org Fixes: c66df701e783 ("drm/virtio: switch from ttm to gem shmem helpers") Reported-by: Gurchetan Singh <gurchetansingh@chromium.org> Reported-by: Guillaume Gardet <Guillaume.Gardet@arm.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org> Tested-by: Guillaume Gardet <Guillaume.Gardet@arm.com> Link: http://patchwork.freedesktop.org/patch/msgid/20200226154752.24328-3-kraxel@redhat.com
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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